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CVE-2023-6841— Keycloak: amount of attributes per object is not limited and it may lead to dos

Quick assessment

Affected
Red Hat Red Hat build of Quarkus
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat Keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 Red Hat Keycloak存在安全漏洞，该漏洞源于存在拒绝服务漏洞，攻击者通过发送重复的HTTP请求可能会导致资源耗尽。

CVSS 7.5 · High EPSS 0.74% · P53

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-6841

Vulnerability Information
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Vulnerability Title
Keycloak: amount of attributes per object is not limited and it may lead to dos
Source: CVE Program / CVE List V5
Vulnerability Description
A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
额外值处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Keycloak 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 Red Hat Keycloak存在安全漏洞，该漏洞源于存在拒绝服务漏洞，攻击者通过发送重复的HTTP请求可能会导致资源耗尽。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat build of Quarkus - cpe:/a:redhat:openshift_application_runtimes:1.0
Red Hat Red Hat Fuse 7 - cpe:/a:redhat:jboss_fuse:7
Red Hat Red Hat Mobile Application Platform 4 - cpe:/a:redhat:mobile_application_platform:4
Red Hat Red Hat OpenShift Application Runtimes - cpe:/a:redhat:openshift_application_runtimes:1.0
Red Hat Red Hat Process Automation 7 - cpe:/a:redhat:jboss_enterprise_bpms_platform:7
Red Hat Red Hat Single Sign-On 7 - cpe:/a:redhat:red_hat_single_sign_on:7
Red Hat Red Hat support for Spring Boot - cpe:/a:redhat:openshift_application_runtimes:1.0

II. Public POCs for CVE-2023-6841

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-6841

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Vendor Advisories for CVE-2023-6841 (1)

IV. Related Vulnerabilities

Same weakness: CWE-231

V. Comments for CVE-2023-6841

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